Oral irrigator



FIG. 1 is a front perspective view of an oral irrigator.

FIG. 2 is a front elevation view of the oral irrigator of FIG. 1.

FIG. 3 is a rear elevation view of the oral irrigator of FIG. 1.

FIG. 4 is a left side elevation view of the oral irrigator of FIG. 1.

FIG. 5 is a right side elevation view of the oral irrigator of FIG. 1.

FIG. 6 is a top plan view of the oral irrigator of FIG. 1; and,

FIG. 7 is a bottom plan view of the oral irrigator of FIG. 1.

The broken lines in the drawings illustrate portions of the oral irrigator that form no part of the claimed design. 

CLAIM We claim the ornamental design for an oral irrigator, as shown and described. 